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Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc() bt_sock_alloc() attaches allocated sk object to the provided sock object. If rfcomm_dlc_alloc() fails, we release the sk object, but leave the dangling pointer in the sock object, which may cause use-after-free. Fix this by swapping calls to bt_sock_alloc() and rfcomm_dlc_alloc().

PUBLISHED Reserved 2024-12-27 | Published 2024-12-27 | Updated 2026-01-05 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before ac3eaac4cf142a15fe67be747a682b1416efeb6e
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 6021ccc2471b7b95e29b7cfc7938e042bf56e281
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 32df687e129ef0f9afcbcc914f7c32deb28fd481
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3945c799f12b8d1f49a3b48369ca494d981ac465
affected

Default status
affected

2.6.12
affected

Any version before 2.6.12
unaffected

6.1.120 (semver)
unaffected

6.6.66 (semver)
unaffected

6.12.5 (semver)
unaffected

6.13 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/03/msg00001.html

git.kernel.org/...c/ac3eaac4cf142a15fe67be747a682b1416efeb6e

git.kernel.org/...c/6021ccc2471b7b95e29b7cfc7938e042bf56e281

git.kernel.org/...c/32df687e129ef0f9afcbcc914f7c32deb28fd481

git.kernel.org/...c/3945c799f12b8d1f49a3b48369ca494d981ac465

cve.org (CVE-2024-56604)

nvd.nist.gov (CVE-2024-56604)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.